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209 lines
4.8 KiB
C
209 lines
4.8 KiB
C
/* Default error handlers for CPP Library.
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Copyright (C) 1986, 87, 89, 92-95, 98, 1999 Free Software Foundation, Inc.
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Written by Per Bothner, 1994.
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Based on CCCP program by Paul Rubin, June 1986
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Adapted to ANSI C, Richard Stallman, Jan 1987
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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In other words, you are welcome to use, share and improve this program.
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You are forbidden to forbid anyone else to use, share and improve
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what you give them. Help stamp out software-hoarding! */
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#ifndef EMACS
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#include "config.h"
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#include "system.h"
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#else
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#include <stdio.h>
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#endif /* not EMACS */
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#include "cpplib.h"
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#include "intl.h"
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/* Print the file names and line numbers of the #include
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commands which led to the current file. */
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void
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cpp_print_containing_files (pfile)
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cpp_reader *pfile;
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{
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cpp_buffer *ip;
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int first = 1;
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/* If stack of files hasn't changed since we last printed
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this info, don't repeat it. */
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if (pfile->input_stack_listing_current)
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return;
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ip = cpp_file_buffer (pfile);
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/* Give up if we don't find a source file. */
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if (ip == NULL)
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return;
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/* Find the other, outer source files. */
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while ((ip = CPP_PREV_BUFFER (ip)), ip != CPP_NULL_BUFFER (pfile))
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{
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long line, col;
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cpp_buf_line_and_col (ip, &line, &col);
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if (ip->fname != NULL)
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{
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if (first)
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{
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first = 0;
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cpp_notice ("In file included from %s:%ld",
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ip->nominal_fname, line);
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}
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else
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cpp_message (pfile, -1, ",\n from %s:%ld",
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ip->nominal_fname, line);
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}
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}
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if (! first)
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fputs (":\n", stderr);
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/* Record we have printed the status as of this time. */
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pfile->input_stack_listing_current = 1;
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}
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void
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cpp_file_line_for_message (pfile, filename, line, column)
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cpp_reader *pfile ATTRIBUTE_UNUSED;
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char *filename;
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int line, column;
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{
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if (column > 0)
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fprintf (stderr, "%s:%d:%d: ", filename, line, column);
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else
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fprintf (stderr, "%s:%d: ", filename, line);
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}
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/* IS_ERROR is 2 for "fatal" error, 1 for error, 0 for warning, -1 for notice */
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void
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v_cpp_message (pfile, is_error, msgid, ap)
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cpp_reader * pfile;
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int is_error;
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const char *msgid;
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va_list ap;
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{
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switch (is_error)
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{
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case -1:
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break;
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case 0:
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fprintf (stderr, _("warning: "));
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break;
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case 1:
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if (pfile->errors < CPP_FATAL_LIMIT)
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pfile->errors++;
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break;
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case 2:
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pfile->errors = CPP_FATAL_LIMIT;
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break;
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default:
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cpp_fatal (pfile, "internal error: bad is_error(%d) in v_cpp_message", is_error);
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}
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vfprintf (stderr, _(msgid), ap);
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if (0 <= is_error)
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fprintf (stderr, "\n");
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}
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void
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cpp_message VPROTO ((cpp_reader *pfile, int is_error, const char *msgid, ...))
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{
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#ifndef ANSI_PROTOTYPES
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cpp_reader *pfile;
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int is_error;
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const char *msgid;
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#endif
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va_list ap;
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VA_START (ap, msgid);
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#ifndef ANSI_PROTOTYPES
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pfile = va_arg (ap, cpp_reader *);
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is_error = va_arg (ap, int);
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msgid = va_arg (ap, const char *);
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#endif
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v_cpp_message(pfile, is_error, msgid, ap);
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va_end(ap);
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}
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/* Same as cpp_error, except we consider the error to be "fatal",
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such as inconsistent options. I.e. there is little point in continuing.
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(We do not exit, to support use of cpplib as a library.
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Instead, it is the caller's responsibility to check
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CPP_FATAL_ERRORS. */
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void
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cpp_fatal VPROTO ((cpp_reader *pfile, const char *msgid, ...))
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{
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#ifndef ANSI_PROTOTYPES
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cpp_reader *pfile;
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const char *msgid;
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#endif
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va_list ap;
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VA_START (ap, msgid);
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#ifndef ANSI_PROTOTYPES
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pfile = va_arg (ap, cpp_reader *);
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msgid = va_arg (ap, const char *);
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#endif
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fprintf (stderr, "%s: ", progname);
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v_cpp_message (pfile, 2, msgid, ap);
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va_end(ap);
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}
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void
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cpp_pfatal_with_name (pfile, name)
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cpp_reader *pfile;
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const char *name;
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{
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cpp_perror_with_name (pfile, name);
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#ifdef VMS
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exit (vaxc$errno);
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#else
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exit (FATAL_EXIT_CODE);
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#endif
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}
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/* Print an error message. */
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void
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cpp_notice VPROTO ((const char *msgid, ...))
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{
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#ifndef ANSI_PROTOTYPES
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const char *msgid;
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#endif
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va_list ap;
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VA_START (ap, msgid);
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#ifndef ANSI_PROTOTYPES
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msgid = va_arg (ap, const char *);
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#endif
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fprintf (stderr, "%s: ", progname);
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v_cpp_message ((cpp_reader *) 0, -1, msgid, ap);
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va_end(ap);
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}
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